Question: (a) In how many ways can we select five coins from a collection of 10 consisting of one penny, one nickel, one dime, one quarter,

(a) In how many ways can we select five coins from a collection of 10 consisting of one penny, one nickel, one dime, one quarter, one half-dollar, and five (identical) Susan B. Anthony dollars?
(b) In how many ways can we select n objects from a collection of size 2n that consists of n distinct and n identical objects?

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